The incredible, awesome, Audiosurf has just managed itself a 75% price cut, and can now be bought for the staggeringly low price of US$2.50. That’s £1.60. Seriously – at that price you need this game in your life. It’s one of the best PC games this year.

It’s sort-of a cross between Tetris, Guitar Hero, iTunes and crack. It’s a musical puzzle game, but that sounds way more boring than it actually is. You load in any MP3 you like, and from the waveform of the song, it generates a course which you race along picking up and matching coloured blocks. The fast, loud bits of the song are downhill, the slow, quieter bits are uphill. I’ve embedded a video of the gameplay over the jump, to help you get it…